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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
Genera
Species
Glossary
About Us
News
Projects
Review Board
Taxon Contributors
Contact Us
What are diatoms?
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Species
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Highly motile
Size Range,
µm
3
11-100
101-1000
1001-10000
10001-100000
100001-1000000
Length/Diameter,
µm
Width,
µm
Stria density
per 10 μm, near center
Motility
Non-motile
Weakly motile
Slightly motile
Moderately motile
Highly motile
Attachment
Unattached
Prostrate
Tube-Forming
Vertical
Habitat
Soils
Moist habitats
Benthic
Planktonic
Milieu
Rivers
Lakes
Wetlands
Springs
Splash zones
Estuaries
Neritic
Sea Ice
Colony
Solitary
Colonies occasional
Colonies common
Biological Condition Gradient
BCG 1
BCG 2
BCG 3
BCG 4
BCG 5
Distribution
Western rivers 2004
Southeast rivers 2014
Northeast rivers 2016
Northwest rivers 2015
California coastal rivers 2017
Northeast lake sediments
Nat. Eco. Obs. Network (NEON)
Great Lakes inventory
Nitrogen Fixer
Nitrogen Fixer
Rare
Rare
Extinct
Extinct
Filters
Displaying
79
of 1105 species
GC
Genus Considered
Waterbody
All
Inland
Marine
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Bacillaria
Bacillaria paxillifera
Campylodiscus
Campylodiscus clypeus
Craticula
Craticula cuspidata
Cylindrotheca
Cylindrotheca gracilis
Cymbella
Cymbella mexicana
Cymbopleura
Cymbopleura elliptica
Denticula
Denticula subtilis
Encyonema
Encyonema reimeri
Entomoneis
Entomoneis punctulata
Entomoneis paludosa
Entomoneis ornata
Entomoneis alata
Grunowia
Grunowia solgensis
Grunowia sinuata
Gyrosigma
Gyrosigma obscurum
Gyrosigma acuminatum
Gyrosigma obtusatum
Gyrosigma attenuatum
Iconella
Iconella hibernica
Iconella tenera
Iconella bifrons
Iconella guatimalensis
Navicula
Navicula eileeniae
Navicula gregaria
Navicula peregrinopsis
Navicula peregrina
Neidium
Neidium dilatatum
Neidium iridis
Nitzschia
Nitzschia innominata
Nitzschia fonticoloides
Nitzschia alpina
Nitzschia semirobusta
Nitzschia oregona
Nitzschia sociabilis
Nitzschia columbiana
Nitzschia dissipata
Nitzschia angustata
Nitzschia kurzeana
Nitzschia regula var. robusta
Nitzschia serpentiraphe
Nitzschia sigmoidea
Pinnularia
Pinnularia cuneicephala
Pinnularia kwacksii
Pinnularia clericii
Pinnularia formica
Pinnularia rexlowei
Pinnularia bihastata
Pinnularia transversa
Pinnularia pulchella var. canadensis
Pinnularia torta
Pinnularia ectorii
Pleurosigma
Pleurosigma inflatum
Stauroneis
Stauroneis alabamae
Staurophora
Staurophora columbiana
Surirella
Surirella stalagma
Surirella atomus
Surirella lacrimula
Surirella suecica
Surirella amphioxys
Surirella iowensis
Surirella arctica
Surirella brebissonii
Surirella angusta
Surirella pinnata
Surirella ovalis
Surirella crumena
Surirella striatula
Surirella undulata
Surirella cruciata
Surirella terryi
Surirella librile
Surirella internationalis
GC
Tryblionella
Tryblionella lanceola
Tryblionella granulata
Tryblionella calida
Tryblionella hungarica
Tryblionella brunoi
Tryblionella plana var. fennica
Tryblionella scalaris